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Preprints — academic papers published online before they’ve gone through traditional peer review — have become a common way for scientists to disseminate their coronavirus-related findings. So researchers Nicholas Fraser and Bianca Kramer have begun compiling a dataset of more than 6,000 COVID-19 preprints. For each paper, the dataset includes the title, abstract, DOI, date posted, and the hosting repository (such as medRxiv, the most common so far).